235/40 R17 Tyres

Buy 235/40 R17 Tyres

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235/40 R17 Tyre Specifications

235/40 R17 fits the front of high-performance vehicles like the Lotus Esprit V8 and the early Lamborghini Diablo. Tyres.co.uk sells this size. R17 means the tyre is fitted to a 17-inch rim. That provides an overall diameter of 620mm. With a sidewall of 94mm there is less flex. That makes it better for high-performance vehicles.

Part of the sizeValueWhat it means
Section width 235 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 40 Sidewall height as a percentage of the width - here, 40% of 235 mm (about 94 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 17 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 94.0 mm (3.70 in)
Overall diameter 620 mm (24.4 in)
Circumference 1,947 mm (76.7 in)
Revolutions 827 per mile · 514 per km
Equivalent sizes
SizeOverall diameter
235/35 R18 622 mm · +0.3%
225/35 R18 615 mm · -0.8%
215/45 R17 625 mm · +0.9%
245/45 R16 627 mm · +1.1%
245/40 R17 628 mm · +1.3%
245/35 R18 629 mm · +1.4%

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